Kaushitakagrihyasutra 2.6.6

2.6.6

aharahaḥ sāyaṃprātaragniṃ praṇīyopasamādhāya parisamūhya paryukṣya susamiddhe juhoti agnaye samidhamāhāriṣa bṛhate jātavedase tayā tvamagne vardhasva samidhā brahmaṇā vayaṃ svāhā iti prathamām \ edho 'syedhiṣīmahi iti dvitīyām \ samidasi samedhiṣīmahi iti tṛtīyām \ eṣā te agne samittayā vardhasva cāpyāyasya ca \ bardhiṣīmahi ca vayamā ca pyāsiṣīmahi iti caturthīṃ \6\

Every day, evening and morning, having brought forward the fire, added fuel to it, swept around it, and sprinkled it with water, he offers into it when it is well kindled: the first [kindling wood] with, 'I have brought kindling wood for Agni, the great Jātavedas; with that kindling wood do you thrive, O Agni, and may we thrive through sacred study, svāhā!'; the second with, 'You are fuel; may we thrive!'; the third with, 'You are kindling wood; may we be kindled!'; the fourth with, 'This is your kindling wood, O Agni; thrive with it and swell; and may we thrive and swell!'